They were able to see it through a powerful telescope.
False. Scientists once believed Pluto to be a former moon of Neptune.
Pluto is not a moon of anything; it is a dwarf planet. Scientists used to think that Pluto may have once been a moon of Neptune, but later studies showed that it could not be so due to the nature of Pluto's orbit.
No. Scientists once thought Pluto was a former moon of Neptune but later realized that the configuration of its orbit did not fit this scenario. This hypothesis was popular before Pluto was found to be part of the Kuiper belt.
Pluto
Scientists once thought that Pluto might be an escaped moon of Neptune, but this hypothesis has been largely discredited.
Pluto and Charon. That's not a bad answer, except that Pluto isn't regarded as a planet now, of course.
Same as Pluto. Charon is a moon of Pluto.Same as Pluto. Charon is a moon of Pluto.Same as Pluto. Charon is a moon of Pluto.Same as Pluto. Charon is a moon of Pluto.
It takes Pluto's moon 6.39 days to circle Pluto.
Pluto's largest moon Charon is about half Pluto's diameter.
Day time on the Moon is hotter than Pluto. Night time on the moon is about as cold as Pluto, sometimes colder.
Pluto has 3 moons, and all of them are smaller than Pluto. The largest moon, Charon, is about half the diameter of Pluto.
No. If Charon, Pluto's largest moon, were bigger, then Pluto would be the moon. Charon is abould half the diameter of Pluto.